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Unit 1 Solving Linear Systems by GraphingLearning Goals: I can solve a linear system by graphing and check my solution by substitution
Warm-Up: Graph of the DayWhat is the solution to this linear system? Use the graph to determine the equation for each line in y= mx + b form. Label graphs ‘a’ and ‘b’
Solving Linear Systems by GraphingRecall: There are 3 ways to graph a line Table of values Intercepts Slope and y-intercept
Example 1 – Table of Values
Example 2 – Intercepts
Example 3 – Slope and y-intercept
Homework Pg # 1-9 (a,d), 11, 12 Quiz #1 on Wednesday (Solving Linear Systems by Graphing)
Objective - To graph linear equations using the slope and y-intercept.
WARM UP 1. Explain how to graph a linear equation written in slope-intercept form. 2. Explain how to graph a linear equation written in point-slope form.
The table and graph suggest another method of graphing a linear equation. This method is based on two numbers. The SLOPE This is the coefficient of x.
Warm up Tell whether the relation is a function.
Linear Equations Unit. Lines contain an infinite number of points. These points are solutions to the equations that represent the lines. To find.
Graph Linear Systems Written in Standard Form
Linear Equations Review. Find the slope and y intercept: y + x = -1.
Write an equation given two points
Write an equation given the slope and y-intercept EXAMPLE 1 Write an equation of the line shown.
TODAY IN ALGEBRA… Warm Up: Graphing Linear Equations and solving for y. Learning Goal: 7.1 You will solve systems on linear equations by Graphing
Substitute 0 for y. Write original equation. To find the x- intercept, substitute 0 for y and solve for x. SOLUTION Find the x- intercept and the y- intercept.
LINEAR SYSTEMS – Graphing Method In this module, we will be graphing two linear equations on one coordinate plane and seeing where they intersect. You.
2.5 Writing Equation of a Line Sept 9, 2013 Example 1 Write an Equation Given a Graph Write an equation of the line in slope intercept form. 3 5 y-int(b)
WARM UP GRAPHING LINES Write the equation in slope- intercept form and then Graph. (Lesson 4.7) 1.3x + y = 1 2.x + y = 0 3.y = -4 3.
Warm up Write the slope and y-intercept for the following linear functions 1.y = 4x – 6 2.y = -3x y = 4 – 2x 4.y = 1/3x y = -2/3x.
Writing Equations of Lines in Slope-intercept form.
Graphing Lines Using Slope-Intercept Form
Writing equations in slope intercept form
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